Question

units of measurement assessment 2025x
a student recorded the mass of an object at 4.5g and using water displacement, was able to obtained an initial reading of 50.0ml. when the student placed the green jaded sample in the graduated cylinder, the result was 60.5ml. what would be the density of the object?
0.09g/ml
0.07g/ml
0.23g/ml
0.43g/ml

Explanation:

Step1: Find the volume of the object

The volume of the object is equal to the final volume of water - initial volume of water. So $V=60.5 - 50.0=10.5$ mL.

Step2: Calculate the density

The density formula is $
ho=\frac{m}{V}$, where $m = 4.5$ g and $V = 10.5$ mL. Then $
ho=\frac{4.5}{10.5}\approx0.43$ g/mL.

Answer:

0.43g/mL